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11201110221 = 372579206819
BaseRepresentation
bin10100110111010001…
…10110000011001101
31001220121212100121010
422123220312003031
5140414441011341
65051250355433
7544400603010
oct123350660315
931817770533
1011201110221
114828809994
12220728bb79
1310967b0092
147838a1377
15458567716
hex29ba360cd

11201110221 has 16 divisors (see below), whose sum is σ = 17075059200. Its totient is φ = 6398121648.

The previous prime is 11201110163. The next prime is 11201110241. The reversal of 11201110221 is 12201110211.

11201110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11201110221 - 214 = 11201093837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201110197 and 11201110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201110241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49251 + ... + 157568.

It is an arithmetic number, because the mean of its divisors is an integer number (1067191200).

Almost surely, 211201110221 is an apocalyptic number.

It is an amenable number.

11201110221 is a deficient number, since it is larger than the sum of its proper divisors (5873948979).

11201110221 is a wasteful number, since it uses less digits than its factorization.

11201110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209408.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201110221 its reverse (12201110211), we get a palindrome (23402220432).

The spelling of 11201110221 in words is "eleven billion, two hundred one million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 7 21 2579 7737 18053 54159 206819 620457 1447733 4343199 533386201 1600158603 3733703407 11201110221